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Device and method for automatically isolating automatic system line fault in power distribution network

A technology for distribution network automation and line faults, used in emergency protection circuit devices, electrical components, etc.

Inactive Publication Date: 2012-11-28
DATONG POWER SUPPLY BRANCH SHANXI ELECTRIC POWERCO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there is no unified model for the domestic distribution network automation system at present, the implementation methods of feeder automation for distribution network automation systems composed of different equipment and different design schemes are different.

Method used

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  • Device and method for automatically isolating automatic system line fault in power distribution network
  • Device and method for automatically isolating automatic system line fault in power distribution network
  • Device and method for automatically isolating automatic system line fault in power distribution network

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] Such as figure 1 As shown, an embodiment of the present invention provides a schematic diagram of the composition and structure of an automatic line fault isolation device for a distribution network automation system. The automatic line fault isolation device for a distribution network automation system includes:

[0029] Fault section locating device 11, used for locating feeder fault section;

[0030] The accident trip circuit breaker positioning dev...

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Abstract

The embodiment of the invention provides a device and a method for automatically isolating an automatic system line fault in a power distribution network. The device for automatically isolating the automatic system line fault in the power distribution network comprises a fault section positioning device, an accident trip circuit breaker positioning device and a processor device, wherein the fault section positioning device is used for positioning a feeder fault section; the accident trip circuit breaker positioning device is used for positioning an accident trip circuit breaker; and the processor device is used for judging whether the accident trip circuit breaker is restored to a switching-in position according to a relationship between the accident trip circuit breaker and the feeder fault section after the fault section is isolated. According to the embodiment of the invention, the fault point can be timely and accurately positioned and isolated after an accident occurs in the power distribution network, so that the power supply in a non-fault section is automatically restored. For example, the accident trip circuit breaker positioning device, the processor device and the automatic feeder function of the fault section positioning device are realized by utilizing a computer system, and the operation of finding and isolating the fault section and automatically restoring the non-fault section is finished within dozens of seconds generally.

Description

technical field [0001] The invention relates to the technical field of grid power supply, in particular to a device and method for automatically isolating line faults in a distribution network automation system. Background technique [0002] Feeder automation is to monitor the operation mode and load of the feeder. Since there is no unified model for the domestic distribution network automation system at present, the implementation methods of feeder automation for distribution network automation systems composed of different equipment and different design schemes are different. [0003] The feeder automation system should have the following functions: ①Telemetry, remote signaling, and remote control functions; ②Fault handling: automatic judgment and isolation of the fault area, and rapid recovery of power supply after the fault is eliminated; ③Load management: reasonable according to the load balance degree of the distribution network Change the operation mode of the distri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/26
Inventor 王忠林星光
Owner DATONG POWER SUPPLY BRANCH SHANXI ELECTRIC POWERCO
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